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HDG Key
HDG
30°
Navigation, GPS**
Captures and tracks the selected navigation source (GPS, VOR, LOC)
NAV Key
GPS
30°
Navigation, VOR Enroute Capture/Track**
VOR
25° Capture
10° Track
Navigation, LOC Capture/Track
(No Glideslope)
LOC
25° Capture
10° Track
Backcourse Arm/Capture/Track
Captures and tracks a localizer signal for backcourse approaches
BC Key
BC
25° Capture
10° Track
Approach, GPS
Captures and tracks the selected navigation source (GPS, VOR, LOC)
APR Key
GPS
30°
Approach, VOR Capture/Track
VAPP
25° Capture
10° Track
Approach, LOC Capture/Track
(Glideslope Mode automatically armed)
LOC
25° Capture
10° Track
Takeoff
Commands a constant pitch angle and wings level on the ground in preparation for takeoff
GA Switch
TO
Wings Level
Go Around
Disengages the autopilot and commands a constant pitch angle and wings level in the air
GA
Wings Level
* No annunciation appears in the AFCS Status Box. The acceptable bank angle range is indicated in green along the Roll Scale of the Attitude Indicator.
** The Heading, Navigation GPS and Navigation VOR mode maximum roll command limit will be limited to the Low Bank mode value if it is engaged.
The GFC 700 limits turn rate to 3 degrees per second (standard rate turn).
Table 7-4 Flight Director Lateral Modes
The CWS Button does not change lateral references for Heading Select, Navigation, Backcourse, or Approach Mode. The autopilot guides the aircraft back to the Selected Heading/Course upon release of the CWS Button.
388 Garmin G1000 Pilot’s Guide for the Cessna Citation Mustang 190-00494-02 Rev. B
Automatic utomatic utomatic Flight Control System ystem
SYSTEM
OVERVIEW
FLIGHT
AUDIO PANEL EICAS INSTRUMENTS
& CNS
FLIGHT
MANAGEMENT
HAZARD
ADDITIONAL AFCS AVOIDANCE
INDEX APPENDICES FEATURES
Roll Hold Mode (ROL) Noteote: If Roll Hold Mode is activated as a result of a mode reversion, the flight director rolls the wings level.
When the flight director is activated or switched, Roll Hold Mode is selected by default. This mode is annunciated as ‘ROL’ in the AFCS Status Box. The current aircraft bank angle is held, subject to the bank angle condition.
Bank AngleFlight Director Response< 6°Rolls wings level6 to 30°Maintains current aircraft roll attitude> 30°Limits bank to 30°Table 7-5 Roll Hold Mode ResponsesFigure 7-24 Roll Hold Mode Annunciation
Changing the Roll Reference
The roll reference can be changed by pressing the CWS Button, establishing the desired bank angle, then releasing the CWS Button.
Low BanBank Mode
When in Low Bank Mode, the flight director limits the maximum commanded roll angle to 18°. Low bank arc limits are displayed in green along the Roll Scale.
Low Bank Mode can be manually selected/deselected by pressing the BANK Key while in Heading Select or Navigation Modes (GPS and VOR). Low Bank Mode is activated automatically above 29,850 feet. The flight director deactivates Low Bank Mode when descending through 29,650 feet. The annunciator light next to the BANK Key illuminates while Low Bank Mode is selected.
Figure 7-25 Low Bank Mode Limits
190-00494-02 Rev. B Garmin G1000 Pilot’s Guide for the Cessna Citation Mustang 389
Automatic utomatic utomatic Flight Control System ystem
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS EICAS AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE AFCS ADDITIONAL
FEATURES APPENDICES INDEX
Heading Select Mode (HDG)
Heading Select Mode is activated by pressing the HDG Key. Heading Select Mode acquires and maintains the Selected Heading. The Selected Heading is shown by a light blue bug on the HSI and in the box to the upper left of the HSI.
C
hanging the Selected Heading Noteote: Pressing the HDG Knob synchronizes the Selected Heading to the current heading.
The Selected Heading is adjusted using the HDG Knob on either PFD. Pressing the CWS Button and hand-flying the aircraft does not change the Selected Heading. The autopilot guides the aircraft back to the Selected Heading upon release of the CWS Button.
Turns are commanded in the same direction as Selected Heading Bug movement, even if the bug is turned more than 180° from the present heading (e.g., a 270° turn to the right). However, Selected Heading changes of more than 330° at a time result in turn reversals.
Figure 7-26 Heading Select ModePitch Hold Mode ActiveHeading Select Mode ActiveCommand Bars Track Selected HeadingSelected Heading Selected Heading Bug
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Cessna Citation Mustang Pilot’Guide 2(37)
